Title:
STRUCTURE OF BEACON POLE AND BEACON POLE
Document Type and Number:
WIPO Patent Application WO/2019/044477
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a beacon pole and the structure of same by which it is realized to prevent the localized buckling of the beacon pole near the ground without changing the outside diametrical shape of the beacon pole and thereby improve the freedom of an installation space and improve the passage of pedestrians and automobiles, etc., near the beacon pole, and also to construct in such a way that the beacon pole is hardly bent or moderately bent by collision of an automobile, etc. A structure of a beacon pole 2, wherein the beacon pole 2 is a tubular member, of which, in effect, the outside diameter D is a prescribed outside dimeter, the inside diameter d is a prescribed inside diameter and the wall thickness t is a prescribed wall thickness, and which has a reinforcement part 5 maintaining the prescribed outside diameter but differing in the prescribed wall thickness, within a first range from a first position P1 lower than or equal to the height of a ground surface 4a in a state of the beacon pole 2 being buried in a ground 4 to a second position P2 upward by a prescribed distance L from the height of the ground surface 4a, the wall thickness of the reinforcement part 5 being larger than the prescribed wall thickness.
Inventors:
SHINDO TOMONORI (JP)
MATSUI KAZUMI (JP)
MATSUI KAZUMI (JP)
Application Number:
PCT/JP2018/030203
Publication Date:
March 07, 2019
Filing Date:
August 13, 2018
Export Citation:
Assignee:
KANAGAWA GIKEN LTD (JP)
International Classes:
E01F9/685; E01F9/623; E01F9/654; E04H12/08
Foreign References:
| JP2001043704A | 2001-02-16 | |||
| JP2001049899A | 2001-02-20 | |||
| JP3067839U | 2000-04-11 | |||
| JP2005188279A | 2005-07-14 | |||
| US20030145554A1 | 2003-08-07 |
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